How much of your portfolio should be in stocks? It's one of investing's most important questions — and the standard answer is costing the average investor the equivalent of 2% of their lifetime consumption. Yale economists have finally built something better, and it fits in a spreadsheet.
Most investors vastly overestimate financial bubble frequency, but Yale research spanning three centuries reveals they occur in under 0.5% of market periods. Here's why crash fears damage wealth more than crashes themselves and what history teaches about staying invested during market booms.
Robin Powell
Sep 16, 202510 min read
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